var createError = require('http-errors');
var express = require('express');
var path = require('path');
var fs = require("fs");
var cookieParser = require('cookie-parser');
var logger = require('morgan');
const session = require("express-session");
const RedisStore = require("connect-redis")(session);

// var indexRouter = require('./routes/index');
// var usersRouter = require('./routes/users');
const blogRouter = require('./routes/blog')
const userRouter = require('./routes/user')

var app = express();

// view engine setup
// app.set('views', path.join(__dirname, 'views'));
// app.set('view engine', 'jade');

const ENV = process.env.NODE_ENV;
if (ENV !== "production") {
	// 开发环境 / 测试环境
	app.use(logger("dev"));
} else {
	// 线上环境
	const logFileName = path.join(__dirname, "logs", "access.log");
	const writeStream = fs.createWriteStream(logFileName, {
		flags: "a"
	});
	app.use(
		logger("combined", {
			stream: writeStream
		})
	);
}

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
// app.use(express.static(path.join(__dirname, 'public')));

const redisClient = require("./db/redis");
const sessionStore = new RedisStore({
	client: redisClient
});
app.use(
	session({
		secret: "WJiol#23123_",
		cookie: {
			// path: '/',   // 默认配置
			// httpOnly: true,  // 默认配置
			maxAge: 24 * 60 * 60 * 1000
		},
		store: sessionStore
	})
);

// app.use('/', indexRouter);
// app.use('/users', usersRouter);
app.use("/api/blog", blogRouter);
app.use("/api/user", userRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'dev' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
